Prime Minister Narendra Modi on Tuesday expressed grief over the demise of eminent aerospace scientist Roddam Narasimha. "Shri Roddam Narasimha personified the best of India's tradition of knowledge and enquiry. He was an outstanding scientist, passionate about leveraging the power of science and innovation for India's progress. Pained by his demise. Condolences to his family and friends. Om Shanti," the Prime Minister tweeted. PM ModiTwitter Narasimha passed away at around 9 p.m. on Monday in Bengaluru's Ramaiah Hospital due to inter-cerebral bleeding a week after he was admitted there. He was 87. Narasimha leaves behind wife and a daughter. Narasimha was awarded country's second highest civilian award, the Padma Vibhushan, in 2013 for his immense contribution to science and technology.